/*
  富文本
*/
<template>
  <div>
    <!-- 图片上传组件辅助，组件内添加v-show=“false”属性，把该组件隐藏起来。-->
    <el-upload
      class="avatar-uploader"
      action="http://cms_lyqswl_com/index.php/Admin/index/image"
      name="img"
      :show-file-list="false"
      :on-success="uploadSuccess"
      :before-upload="beforeUpload"
    >
    </el-upload>
    <quill-editor
      v-model="content"
      ref="myQuillEditor"
      :options="editorOption"
      @focus="onEditorFocus($event)"
      @blur="onEditorBlur($event)"
      @change="onEditorChange($event)"
      class="editor"
    ></quill-editor>

    <!-- <form action method="post" enctype="multipart/form-data" id="uploadFormMulti">
      <input
        style="display: none"
        :id="uniqueId"
        type="file"
        name="file"
        multiple
        accept="image/jpg, image/jpeg, image/png, image/gif"
        @change="uploadImg('uploadFormMulti')"
      />
    </form> -->
  </div>
</template>
<script>
import "quill/dist/quill.core.css";
import "quill/dist/quill.snow.css";
import "quill/dist/quill.bubble.css";
import { quillEditor } from "vue-quill-editor";
//加入以下引用
import Quill from "quill";
import ImageResize from "quill-image-resize-module"; // 引用-图片缩放功能-因导致打包异常故注释
import { ImageDrop } from "quill-image-drop-module";
Quill.register("modules/imageDrop", ImageDrop);
Quill.register("modules/imageResize", ImageResize); // 注册

// 工具栏配置
const toolbarOptions = [
  ["bold", "italic", "underline", "strike"], // 加粗 斜体 下划线 删除线 -----['bold', 'italic', 'underline', 'strike']
  ["blockquote", "code-block"], // 引用  代码块-----['blockquote', 'code-block']
  [{ header: 1 }, { header: 2 }], // 1、2 级标题-----[{ header: 1 }, { header: 2 }]
  [{ list: "ordered" }, { list: "bullet" }], // 有序、无序列表-----[{ list: 'ordered' }, { list: 'bullet' }]
  [{ script: "sub" }, { script: "super" }], // 上标/下标-----[{ script: 'sub' }, { script: 'super' }]
  [{ indent: "-1" }, { indent: "+1" }], // 缩进-----[{ indent: '-1' }, { indent: '+1' }]
  [{ direction: "rtl" }], // 文本方向-----[{'direction': 'rtl'}]
  [{ size: ["small", false, "large", "huge"] }], // 字体大小-----[{ size: ['small', false, 'large', 'huge'] }]
  [{ header: [1, 2, 3, 4, 5, 6, false] }], // 标题-----[{ header: [1, 2, 3, 4, 5, 6, false] }]
  [{ color: [] }, { background: [] }], // 字体颜色、字体背景颜色-----[{ color: [] }, { background: [] }]
  [{ font: [] }], // 字体种类-----[{ font: [] }]
  [{ align: [] }], // 对齐方式-----[{ align: [] }]
  ["clean"], // 清除文本格式-----['clean']
  ["image", "video"], // 链接、图片、视频-----['link', 'image', 'video']
];
const titleConfig = {
  "ql-bold": "加粗",
  "ql-color": "颜色",
  "ql-font": "字体",
  "ql-code": "插入代码",
  "ql-italic": "斜体",
  "ql-link": "添加链接",
  "ql-background": "颜色",
  "ql-size": "字体大小",
  "ql-strike": "删除线",
  "ql-script": "上标/下标",
  "ql-underline": "下划线",
  "ql-blockquote": "引用",
  "ql-header": "标题",
  "ql-indent": "缩进",
  "ql-list": "列表",
  "ql-align": "文本对齐",
  "ql-direction": "文本方向",
  "ql-code-block": "代码块",
  "ql-formula": "公式",
  "ql-image": "图片",
  "ql-video": "视频",
  "ql-clean": "清除字体样式",
  "ql-upload": "文件",
  "ql-table": "插入表格",
  "ql-table-insert-row": "插入行",
  "ql-table-insert-column": "插入列",
  "ql-table-delete-row": "删除行",
  "ql-table-delete-column": "删除列",
};
export default {
  name: "",
  components: {
    quillEditor,
  },
  data() {
    return {
      uniqueId: "uniqueId",
      content: "", // 富文本编辑器默认内容
      editorOption: {
        //  富文本编辑器配置
        modules: {
          toolbar: toolbarOptions,
        },
        theme: "snow",
        placeholder: "请输入正文",
      },
      image: function (value) {
        if (value) {
          // 调用element的图片上传组件
          document.querySelector(".avatar-uploader input").click();
        } else {
          this.quill.format("image", false);
        }
      },
    };
  },
  computed: {
    //当前富文本实例
    editor() {
      return this.$refs.myQuillEditor.quill;
    },
  },
  methods: {
    // 准备富文本编辑器
    onEditorReady() {},
    // 富文本编辑器 失去焦点事件
    onEditorBlur() {},
    // 富文本编辑器 获得焦点事件
    onEditorFocus() {},
    // 富文本编辑器 内容改变事件
    onEditorChange() {},
    uploadImg() {
      var _this = this;
      //构造formData对象
      var formData = new FormData();
      formData.append("file", document.getElementById(_this.uniqueId).files[0]);
      try {
        // this.$axios({
        //   url:'http://cms_lyqswl_com/index.php/Admin/index/image',
        //   methods:'post',
        // })
        //调用上传文件接口
        this.$http.productapi.uploadImgReq(formData).then((res) => {
          //返回上传文件的地址
          let url = res;
          if (url != null && url.length > 0) {
            let Range = _this.editor.getSelection();
            url = url.indexOf("http") != -1 ? url : "http:" + url;
            //上传文件成功之后在富文本中回显(显示)
            _this.editor.insertEmbed(
              Range != null ? Range.index : 0,
              "image",
              url
            );
          } else {
            _this.$message.warning("图片上传失败");
          }
          //成功之后,将文件的文本框的value置空
          document.getElementById(_this.uniqueId).value = "";
        });
      } catch ({ message: msg }) {
        document.getElementById(_this.uniqueId).value = "";
        _this.$message.warning(msg);
      }
    },
    // 图片上传
    beforeUpload (file) { },
    uploadSuccess(res) {
      // 获取富文本组件实例
      let quill = this.$refs.QuillEditor.quill;
      // 如果上传成功
      if (res.code === 100 && res.result) {
        // 获取光标所在位置
        let length = quill.getSelection().index;
        // 插入图片，res为服务器返回的图片链接地址
        quill.insertEmbed(length, "image", res.result[0].url);
        // 调整光标到最后
        quill.setSelection(length + 1);
      } else {
        // 提示信息，需引入Message
        this.$message.error("图片插入失败！");
      }
    },
    // editorOption: {
    //     theme: "snow",
    //     placeholder: "请输入正文",
    //     modules: {
    //       imageDrop: true,
    //       imageResize: {
    //         displayStyles: {
    //           backgroundColor: "black",
    //           border: "none",
    //           color: "white"
    //         },
    //         modules: ["Resize", "DisplaySize", "Toolbar"]
    //       },
    //       //  富文本编辑器配置
    //       toolbar: {
    //         container: toolbarOptions
    //       }
    //     }
    //   },
    addQuillTitle() {
      const oToolBar = document.querySelector(".ql-toolbar");
      const aButton = oToolBar.querySelectorAll("button");
      const aSelect = oToolBar.querySelectorAll("select");
      aButton.forEach(function (item) {
        if (item.className === "ql-script") {
          item.value === "sub" ? (item.title = "下标") : (item.title = "上标");
        } else if (item.className === "ql-indent") {
          item.value === "+1"
            ? (item.title = "向右缩进")
            : (item.title = "向左缩进");
        } else {
          item.title = titleConfig[item.classList[0]];
        }
      });
      aSelect.forEach(function (item) {
        item.parentNode.title = titleConfig[item.classList[0]];
      });
    },
  },
  mounted() {
    // var _this = this;
    // var imgHandler = async function (image) {
    //   if (image) {
    //     var fileInput = document.getElementById(_this.uniqueId); //隐藏的file文本ID
    //     fileInput.click(); //加一个触发事件
    //   }
    // };
    // _this.editor.getModule("toolbar").addHandler("image", imgHandler);
  },
};
</script>
<style>
.editor {
  line-height: normal !important;
  height: 100px;
}
.ql-snow .ql-tooltip[data-mode="link"]::before {
  content: "请输入链接地址:";
}
.ql-snow .ql-tooltip.ql-editing a.ql-action::after {
  border-right: 0px;
  content: "保存";
  padding-right: 0px;
}

.ql-snow .ql-tooltip[data-mode="video"]::before {
  content: "请输入视频地址:";
}

.ql-snow .ql-picker.ql-size .ql-picker-label::before,
.ql-snow .ql-picker.ql-size .ql-picker-item::before {
  content: "14px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="small"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="small"]::before {
  content: "10px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="large"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="large"]::before {
  content: "18px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="huge"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="huge"]::before {
  content: "32px";
}

.ql-snow .ql-picker.ql-header .ql-picker-label::before,
.ql-snow .ql-picker.ql-header .ql-picker-item::before {
  content: "文本";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before {
  content: "标题1";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before {
  content: "标题2";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]::before {
  content: "标题3";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]::before {
  content: "标题4";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]::before {
  content: "标题5";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before {
  content: "标题6";
}

.ql-snow .ql-picker.ql-font .ql-picker-label::before,
.ql-snow .ql-picker.ql-font .ql-picker-item::before {
  content: "标准字体";
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="serif"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="serif"]::before {
  content: "衬线字体";
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="monospace"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="monospace"]::before {
  content: "等宽字体";
}
/* 调整上传图片的大小 */
.ql-editor img{
  width: 150px;
  height: 150px;
}
</style>